﻿// Copyright 2007-2017 Chris Patterson, Dru Sellers, Travis Smith, et. al.
//  
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
// this file except in compliance with the License. You may obtain a copy of the 
// License at 
// 
//     http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
// CONDITIONS OF ANY KIND, either express or implied. See the License for the 
// specific language governing permissions and limitations under the License.
namespace MassTransit.NinjectIntegration
{
    using System;
    using System.Collections.Concurrent;
    using System.Collections.Generic;
    using System.Linq;
    using Saga;


    public class SagaRegistry :
        ISagaRegistry
    {
        readonly ConcurrentDictionary<Type, ICachedConfigurator> _configurators = new ConcurrentDictionary<Type, ICachedConfigurator>();

        public ICachedConfigurator Add<T>()
            where T : class, ISaga
        {
            return _configurators.GetOrAdd(typeof(T), _ => new SagaCachedConfigurator<T>());
        }

        public ICachedConfigurator Add(Type sagaType)
        {
            return _configurators.GetOrAdd(sagaType,
                _ => (ICachedConfigurator)Activator.CreateInstance(typeof(SagaCachedConfigurator<>).MakeGenericType(sagaType)));
        }

        public IEnumerable<ICachedConfigurator> GetConfigurators()
        {
            return _configurators.Values.ToList();
        }
    }
}